Spellchecker dictionaries for Mars Notebook 2

To install a dictionary download appropriate archive and unzip *.adm (or *.adu) file into Mars Notebook Dictionaries folder.
Usually "C:\Program Files\Mars Notebook\Dictionaries\" or if you don't have access to this folder unpack it to this location:
"C:\Users\{USERNAME}\AppData\Roaming\Mars Software\Dictionaries\".
Restart Mars Notebook if running.